package collection;

import java.util.ArrayList;
import java.util.List;

/**
 * add和remove
 */
public class ListDemo2 {
    public static void main(String[] args) {
        List<String> list = new ArrayList<>();

        list.add("one");
        list.add("two");
        list.add("three");
        list.add("four");
        list.add("five");
        System.out.println("list"+list);

        list.add(3,"six");
        System.out.println("list"+list);

        list.remove(2);//伤处同时返回被删除的元素
        System.out.println("list"+list);

    }
}
